E02D 31/04

Watertight packings for use under hydraulic pressure

Official title: Watertight packings for use under hydraulic pressure {(sealings for hydraulic engineering in general E02B3/16; for building structures in general E04B1/66)}

E02D31/04 (Watertight packings for use under hydraulic pressure) appears on 19 US grants and 20 published applications in this corpus.

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Granted patents
19
Published applications
20
Assignees
20
Inventors
71
Latest grant
12 Nov 2024

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E02D 31/04: granted patents and published applications per publication year
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